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Finding the Fourth Proportional to 351,470.40, 527,205.60 and 337,692.30

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Solution

The fourth proportional to 351,470.40, 527,205.60 and 337,692.30 is: 506,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,470.40 : 527,205.60 = 337,692.30 : x
  2. Step 2: Convert to fraction form
    351,470.40/527,205.60 = 337,692.30/x
  3. Step 3: Cross multiply
    351,470.40x = 527,205.60 × 337,692.30
  4. Step 4: Simplify right side
    351,470.40x = 178,033,271,636.88
  5. Step 5: Solve for x
    x = 178,033,271,636.88/351,470.40
  6. Step 6: Final answer
    x = 506,538.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.